input file stream 输入文件流
output file stream 输出文件流
File Stream Overflow 文件流溢出
File Stream Modes 文件流形式
file input stream 文件输入流 ; 档案输入流
file output stream class 文件输出流类
Stream & File 流与文件
This is similar to the file pointer for a file stream in standard C.
这类似于在标准c中为文件流创建FILE指针。
To resolve this, once you create a temporary file atomically, you must always use the file descriptor or file stream you got when you opened the file.
解决这种问题的方法是，一旦自动创建了一个临时文件，就必须始终使用打开该文件时得到的文件描述符或文件流。
The operation of reading from a file is very straight forward, we open a file stream, create an array to hold the data, and finally read all the data into the array.
从文件中读取内容的操作是非常直截了当的：我们打开一个文件流对象，创建一个数组来放置数据，最后把所有数据都读到这个数组中。
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